#903F50
Closest named color: Dark Mauve (#874C62). oklch(47.9% 0.111 9.1), rgb(144, 63, 80).
Aa
White text reads best on this color (6.97:1).
About this color
#903F50 is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.111 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.036 away. White text reads best on it, at 6.97:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.111) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 3.01:1 |
| White text | 6.97:1 |
Values
| HEX | #903F50 |
| RGB | rgb(144, 63, 80) |
| HSL | hsl(347, 39%, 41%) |
| OKLCH | oklch(47.9% 0.111 9.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #903F50 | 6.97:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #903F50 | 3.01:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #903F50 text on white | 6.97:1 | AA | Lc 83.6 | Fine for body text |
| #903F50 text on black | 3.01:1 | AA large text | Lc -18.3 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F4E6E7
oklch(93.6% 0.015 12.4)
-
Step 200
200
#ECD2D5
oklch(88.6% 0.029 9.8)
-
Step 300
300
#E1B3B9
oklch(81% 0.054 9.6)
-
Step 400
400
#D08A95
oklch(70.7% 0.087 9.2)
-
Step 500
500
#C16C7B
oklch(63.1% 0.109 9.4)
-
Step 600
600
#AC5264
oklch(55.5% 0.119 9.2)
-
Step 700
700 (this color)
#903F50
oklch(47.9% 0.111 9.1)
-
Step 800
800
#783744
oklch(42.7% 0.092 9.2)
-
Step 900
900
#613039
oklch(37.6% 0.071 9.4)
-
Step 950
950
#391D22
oklch(27.1% 0.044 9)
#903F50 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4F4F50 | 0.122 |
| Deuteranopia (no green cones) | #645F4E | 0.111 |
| Tritanopia (no blue cones) | #9C3545 | 0.029 |
| Achromatopsia (no color) | #595959 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903F50
#903F50
oklch(47.9% 0.111 9.1)
- #006C67
#006C67
oklch(47.9% 0.083 189.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #903F50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.036
- Light Maroon #A24857 ΔE 0.044
- Brownish Purple #76424E ΔE 0.051
- Light Burgundy #A8415B ΔE 0.051
- Brick #A03623 ΔE 0.061
- Brown #A52A2A ΔE 0.062
- Auburn #9B2226 ΔE 0.063
- Berry #990F4B ΔE 0.070
Use #903F50 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.